Mid-IR Metalens Based on MoS2 Nanopillars

TL;DR

This paper introduces a mid-infrared metalens made from MoS2 nanopillars, enabling compact optical sensors for methane detection by leveraging high refractive index and low loss properties.

Contribution

The work presents a novel MoS2 nanopillar-based metalens optimized for 3.3 μm wavelength in the mid-IR region, advancing metasurface design for gas sensing applications.

Findings

Effective focusing at 3.3 μm wavelength demonstrated

High refractive index and low loss of MoS2 utilized

Potential for compact methane gas sensors

Abstract

This paper proposes a metalens designed to work in 3.3 {\mu}m wavelength which resides in the mid-IR region. The metasurface was created using MoS2 nanopillars taking advantage of high refractive index and low loss. It could be used to make compact optical Methane gas sensors.